# France earthworks cost index rose in August

> Insee’s BT02 index, based on 2010=100, increased to 148.0 from 145.2; its general public-works index also rose.

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- Publisher: Newsverum
- Section: Economy
- Country: France
- Published: 2026-10-15T14:33:34+00:00
- Updated: 2026-10-15T14:33:34+00:00
- Event / data period: 2026-08
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In construction cost indices published on 15 October, Insee put the BT02 earthworks index at 148.0 in August 2026, up from 145.2 in July and 143.1 in June. The TP01 general public-works index rose to 141.2 from 140.0 in July. The indices use 2010 as their base year.

Insee defines the building and public-works indices as measures based on production and import prices of construction inputs, used mainly for contract indexation. It said provisional September changes in hydrocarbon prices were not included in the August indices.

## Data

### France construction cost indices, August 2026

Selected building and public-works indices, with 2010=100 base.

Methodology: August and July 2026 index levels are transcribed from Insee. The indices reflect input production and import prices and are used to index contracts. Provisional September hydrocarbon-input changes are not included in the August indices.

| Index series | August 2026 | July 2026 |
|---|---|---|
| BT02 Earthworks | 148.0 | 145.2 |
| TP01 General public works | 141.2 | 140.0 |

Sources: <https://www.insee.fr/fr/statistiques/9081626> · Download data: [JSON](https://newsverum.com/api/v1/articles/france-construction-cost-indices-august-2026-insee/data/construction-cost-indices?lang=en&format=json) · [CSV](https://newsverum.com/api/v1/articles/france-construction-cost-indices-august-2026-insee/data/construction-cost-indices?lang=en&format=csv)

## Sources

- [Insee](<https://www.insee.fr/fr/statistiques/9081626>) (Source checked: 2026-10-15; Published: 2026-10-15)

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